648676611 has 24 divisors (see below), whose sum is σ = 1057408560. Its totient is φ = 379579200.

The previous prime is 648676603. The next prime is 648676631. The reversal of 648676611 is 116676846.

It is not a de Polignac number, because 648676611 - 2³ = 648676603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648676601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110100 + ... + 115841.

It is an arithmetic number, because the mean of its divisors is an integer number (44058690).

Almost surely, 2^648676611 is an apocalyptic number.

648676611 is a deficient number, since it is larger than the sum of its proper divisors (408731949).

648676611 is a wasteful number, since it uses less digits than its factorization.

648676611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225987 (or 225984 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 648676611 is about 25469.1305505312. The cubic root of 648676611 is about 865.6508231962.

The spelling of 648676611 in words is "six hundred forty-eight million, six hundred seventy-six thousand, six hundred eleven".